Machine for making radiator-tubes.



No. 817,939. PATENTED APR.1'7, 1906.

I?. II. STOLP & C. WRIGHT.

MACHINE POR MAKING RADIATOR TUBES.

APPLICATION FILED JUNE 27, 1904.

3 SHEETS-SHEET l.

No. 817,939. PATENTED APR.17, 1906.

F. H. STOLP & C. WRIGHT. MACHINE POR MAKING RADIATOR TUBES.'

APPLICATION FILED JUNE 27, 1904.

3 SHEETS-SHEET 2.

Ep. EIT/,939. EATEETEII AEE. I7, IEEE. E. II. STOLE E E. WEIGHT. MACHINE EOE MAKING RADIATOR TUBES.

APPLIGATION FILED JUNE 27, 1904.

3 SHEETS-SHEET 3,

vbody'ing the invention,

UNITED srA'rns PATENT OFFICE.

FRANK H. STOLP AND CHRISTOPHER WRIGHT, OF CHICAGO, ILLINOIS, ASSIGrNORS TO LONG MANUFACTURING COMPANY, OF CHICAGO,

ILLINOIS, A CORPORATION.

MACHINE FOR MAKING RADIATOR-TUBESu Specification of Letters Patent.

Patented April 17, 1906.

Application filed J une 27.1904" Serial No. 214,875.

To @ZZ whom it may concern:

Be it known that we, FRANK H. S'roLr and 4 CHRISTOPHER WRIGHT, citizens of the United States, residing at Chicago, in the county of Cook and State of Illinois, have invented certain new and useful Improvements in Machines for Making Radiator-Tubes, &c., of which the following is a s eciiication.

The present invention re ates more particularly to machines for making that class of radiator-tubes which have extended radiatingsurfaces made of a crimped or corrugated strip or ribbon of thin sheet metal wound s irally around the tube proper to provide a helical flange having crimps'or corrugations which are of gradually-decreasing depth from the surface of the tube outward. A machine for making radiator-tubes of this type isshown and described in an application of Frank H. Stolp, one of the partles to this application, filed April 11, 1903, serial No. 152,208. l

One of the objects of the present invention is to improve the machine with respect. to the means for revolving the crimping-rolls and mandrel and for moving the mandrel endwise.

Another object of the invention is to provide the machine with means for soldering the strip to the tube as the winding proceeds.

To these ends the invention consists in the features of novelty that are hereinafter described with reference to the accompanyin drawin s, which aremade a part hereof, and in Whic Figure 1 is a plan view of a machine emintermediate portions broken away to inof some of the parts bein ength and t e pordicate indeiiniteness of tions above the line 1 1, Fig. 2, being omitted. Fig. 2 is a front elevation of the principal parts of the machine, including the crinping, winding, and solderin mechanism. ig. 3 is an end elevation of the machine viewed from the right-hand side of Fig. 2. Figi is a vertical section on the line 4 4, Fi 1, lookino' in the direction oi the arrow. F ig. 4a is a section on the line 4a, Fig. 4, looking in the direction of the arrow. Fig. 5 is an elevation showing a portion of the machine modified to ada t it for making tubing.

The frame oi the machine may be of any construction that will meet the requirements. A represents a spool on which a strip B of thin sheet metal is .Wound and from which said strip is unwound by the action of the crimping-rolls C, between which it passes. On its Way to the crimping-rolls the strip runs through a bath of some suitable flux contained in a receptacle D, bein guided into and out of the flux by suitably isposed rolls or antifriction-wheels d. The crimping-rolls revolve toward each other and have intermeshing flutes or corrugations by which the stri is crim ed or corrugated transversely, as s own at After being crim ed the strip passes through a suitable guide and thence to a mandrel F, to which at the start the end of the stri is secured, so that as the'mandrel is revolve and moved endwise, as hereinafter described, the crimped strip will be wound thereon edgewise and in a spiral course in the manner described in the application aforesaid. i

In makin radiator-tubes we prefer to wind the crim e stri directly on the tube roper, or, in ot er wor s, make the tube do duty as a mandrel, so that the work is completed at one operation. This arrangement is shown in the drawin s, the tubular mandrel being passed throug a suitable sup ort G and its end being secured to a chuclIfI, which is mounted upon a carriage I. To the spindle of the chuck is secured a pinion h, meshing with an idler K, which latter meshes with a gear-wheel L, splined to a shaft M, so as to be incapable of rotating relatively to the shaft, but capable of slidin lengthwise ofthe shaft. By this means the c uck II, and with it the mandrel F, is rotated.

The gear-wheel L has a tubular shaft, as shown in Fi 4, which carries a pinion N, meshing wit a gear-wheel O, the shaft of which carries a beveled pinion P, meshing with a beveled gear-wheel Q, the shaft of which carries a pinion R, meshing with a rack S, carried by a stationary rail T, which constitutes the support for the carriage. The carriage I has/appropriate bearings forthe shafts of all of the gear-wheels and is slidably mounted upon the rail T, so that as the pinion R is rotated the carriage will be moved along, and thus endwise movement is given the chuck H and mandrel F. The rail T is supported at its ends by portions t of the frame, so as to be incapable of any movement either rotary or endwise, while the shaft M is IOO IZS

' journaled at its \ends in boXes m, so that it is `.capable of rotary but incapable ,of endwise movement, '.the endwise movement being v prevented bythe shoulders,l resulting from l boxes m. -The end-of the shaft a iacent to" the reduced portions ofthe shaft (indicated by dotted lines in Fig. Uabutting a ainst the the crimping f rollsg'carries a beveled gearwheel latter: roceeds.

' to the tube passes through'a bath. of iiux con l strand :or lwire V, W

- wheel-m", which meshes with a corresponding Io .wheel c', carried bythe shaft of one of the crimping-rolls, whereby rotary movement is imparted to it, rotary movement being `iin-"- parted to the other crimping-roll through the mediumoftheir intermes teeth.: At its end remote yfrom the crimping-rolls it carries a pinion U which meshes with an.

idlerU, which in turn meshes with a gearreach'of vtheoperator as he stand-s at the crimping and'v soldering end of thelmachine.-

The solder is apljied .in the lfform .of a

tubespirally, land between the convolutions .ofI thejhelical 'langeas the winding ot the 'drayvrilom afreel or spool and on its Way tained-in 'a\receptacleX, the' strand being guided into and out of the receptacle suitably disposed antiriction rolls: a5. '-When vwound -and asv the' winding proceeds, it is heated to melt it,

the heat belng preferably producedy byI a' 'gas name the burner Y of which isllocated belowthe mandrel in the ofcourse, take place instantly, some time being required for it'to absorb the heatneces- I sary to fuse. it, so that for agre'ater or less dis-4 'i f tance from thepointv at which the strand of. 1' :solder has its initial contact-with the.. mandrelgthe strand will remainA intact between the'convolutions of the crimped flange, as

-. shown inl Fi l f, ou hly fuse before-passing irom' the iame.

i tube. y This method of'soldering forms the 2. VIt will, however, be thorv t is found in practice thatthe solder when melted Hows readilyintothe joint and thoroughly and iirmly secures' the flange to the subject of another a plication of even date herewith, bearing ASierial 'No. 214,374.- It has Amany advantages over dipping the entire4 tube in a solder-bath, and among these may be mentioned the 'saving-of solder, the saving of'handling, and the vneatness with which the work is done. l

vThe foregoingv description has been confined to a machine embodying theA invention .and adapted particularly for soldering a spiral ange onto a tube; but we desire to have vit understood that the inven-tion in its broadest aspect is applicable toother uses,

carried by a' shaft u', having a- .',cranlehandle u located within convenient 2O ch is: wound up on' the strand of solder is and in Fig. 5 we have shown a modification of the machine adapted for soldering a spiral joint formed by winding a. flat strip of metal B spirally upon a mandrel F', so that the edges of ad}acent convolutions come together. We 'believe ourselves to be the irst to provide a solderingmachine in which a continuous 'strand of unfused solder is wound alone or in proximity to a spiral jointl and in which heat is applied during the pro'cess of VWind'in to melt and cause it to flow into and -close t e joint. This is particularly true -when the joint is flange thereon. In Fig. 5 only a fragment of the machine is shown; but it may be considered that lexcepting as' there shown the machine is constructed asshown in the other figures of the drawings.

tion is intended to comprehend 'any means or device by which the mandrel ma be revolved lof the carriage. What we claim cure byy Letters Patent, is-- combination of a shaft', Imeans for holding it agamst end-'Wise movement, means for re- .paralle with the s aft, a chuck mounted 'upon-the carriage, said chuck being located at the side 4of the shaft, and with its axis parallel therewith andhaving means for holding a mandrel'in a lposition parallel with the shaft, means `o erated by movement derlved from the s aft for moving the carriage feedin a stri to the mandrel whereby it; is

scribed.

2. Ina machine ofthe class described, the combinationof a shaft, means for holding it .paralle with the s ait, a. chuck mounted upon the carriage, said chuck being located at the side'oi'xthe shaft and with its axis arallel therewith and having means for holding a ma'ndrel in a position parallel with shaft, a stationar rack, a pinion mounted upon the shaft an engaging said rack, means mounted upon the carriage and deriving its movement, from the shaft for revolving the pinion and thechuck, and means for feedin a striv to the mandrel whereby it is woun spiral y thereon, substantially as described.

'3. In a machine oi the class described the combination of a shaft, means for holding it against endwiseI movement, means for revolvin it, a'carria e movable in directions paralle with'the s aft, a su port parallel with the shaft, upon which t e carriage is mounted, a toothed rack on the support, a pinion mountedup'onthe carriage and engaging Said rack, a chuck mounted upon the The term "chuck" as used this specifica# 1f. 'In a machine of the class described, the

Woun spiral y thereon, substantially asidethe l between a tube and a spiral and is compelled vto partake of t 4e movement ,i

as new, and desire to Se-.l

volvin it, -a carria e movable in. directions l IOD and for revolving the chuck, and means for .against endwise movement, means.' for revolvm it, a cari-1a e movable 1n d1rect1ons IIC , upon the carriage,

- of (gear-whee s against carriage, said chuck being located at the side of the shaft and with its axis arallel therewith and having means for holding a mandrel in a position arallel with the shaft, a train mounted upon the carriage deriving their movement from the shaft for revolving the pinion and chuck and means for` feeding a' strip to the mandrel whereby it is wound spirally thereon, substantially as described.

fl. In a machine of the class described, the combination of a shaft, means for holding it endwise movement, means for revolvin it, a carriagmovable in directions paralle with the s aft, achuck mounte' said chuck being located at the side of the shaft and with its axis arl a 2O y shaft formoving the jmandrel, a pair -of crimping-rolls `for l l "winding,

Vallel therewith and having means for hol ng a mandrel in a position parallel with the shaft, means deriving its movement from the the carriage and revolving crimping a strlp and means deriving movement fromlthe shaft for revolving said rolls,

- 4 1;: 5. Ina machine of combination of means for supportingand substantially as described.

the classdescribed the u j'A volving an object having a splral joint to be. f soldered, means-for winding a strand of vsol- 3Q' der in proximity to said joint, and means for melting the solder during the (process of substantially as describe y 6. In a' machine of the class described, the

- 'A combination of means for revolving a mandrel, means for feeding a strip thereto, whereby a spiralljoint is formed, means for winding 'a strand of solder in proximity `and means'for melting .the ysolder during to the joint,

v the processA of Winding, substantially as de- 7. 'In avmachine of the class described, the combination of means for revolving a mandrel and moving it endwise, means for feedin a strip thereto whereby it is wound spira ly thereon and a spiral joint formed,

means for winding'a strand of solder in prox-l imity to vsaid joint, and means for melting the solder during the process of winding, subcombination of means for revolving a malldrel and moving it endwise, means for feedin a strip thereto whereby it is wound spira y thereon and a spiral joint formed, means for feeding a strand ofsolder in proximity to the joint during thev process of winding said stri upon the mandrel whereby the strand of so der also is wound, means foraplying flux to the joint and means for melting the solder during the rocess of winding, substantially as describe 9. In a machine ofthe class described, the combination of means for revolving a mand bat throughwhich the strip means for meltin the solder der between the Ait to the mandrel where drel, means for feedin a strip thereto Whereby it is wound spira ly and a spiral joint formed, means for feeding a strand of solder in proximity to the joint as the winding proceeds whereby -the strand of solder is wound upon the mandrel, and a gas-burner located in proximity to the mandrel whereby the solder is melted during the process of winding, substantially as described,

10. In a machine of the class described, the combination of means for revolving a mandrel and moving it endwise, means for feedin a strip thereto whereby it iswound spira l thereon and a spiral joint formed, a iiux reaching the mandrel, means or winding a strand of solder in proximity to the joint, and

during the rocess of winding, su stantiall as describe 11. In a machine of the ciss described, the combination of means for revolving a mandrel and'moving it endwise, means for feeding a crimped or corrugated strip thereto edgewise, wherebya spiral ilange 1s formed, means for applying a strand of solderin proximity' to thejoint between the flange and mandrel, and means for melting the solder,

v substantiallyas described.

12.; 'In a machine of the class d eScribed,-the

havinga spiral joint, means for simultaneously winding a strand of solder in proximity to the joint and means for meltin 4the solder during the process of winding, su stantially as describe .combination of means for revolving a mandrel having .a spiral ilange', means for winding a strand of so der in `-proximity to the joint between the iiange and the mandrel and means for meltin the solder during the rocesslof winding,lsu s'tantiall as described.

14. vIna machine of the-c ass described, the

combination of means for winding a stri spirally upon a mandrel whereby a spiralange is formed, means for winding a strand lof solconvolutions of .the spiral flange and means stantially as described.

asses before Vcombination of means for revolvmganobject In a machine of the class described, the e ICO I I 0 for melting the solder, sub- 15. In a machine pf the lclass described, the

combination of means for revolvin a mandrel, means for crimping a strip an feeding by it is woundfthereon spirally, means for appl g a strand of solder in proximity to the joint between the iange and mandrel and means for melting the solder, substantially as described.

FRANK H. STOLP. CHRISTOPHER WRIGHT.

Witnesses:

v BENJAMIN A. WOLFE,

L. M. Horxms. 

